diff --git a/packages/react-components/components/PhoneNumberInput.test.tsx b/packages/react-components/components/PhoneNumberInput.test.tsx
index 81c02acd7b9..97a8872544f 100644
--- a/packages/react-components/components/PhoneNumberInput.test.tsx
+++ b/packages/react-components/components/PhoneNumberInput.test.tsx
@@ -1,6 +1,7 @@
 import PhoneNumberInput from '@celo/react-components/components/PhoneNumberInput'
 import { shallow } from 'enzyme'
 import * as React from 'react'
+import { Platform } from 'react-native'
 import { fireEvent, render } from 'react-native-testing-library'
 
 jest.mock('@celo/react-native-sms-retriever', () => {
@@ -9,12 +10,6 @@ jest.mock('@celo/react-native-sms-retriever', () => {
   }
 })
 
-jest.mock('react-native-device-info', () => {
-  return {
-    getBaseOs: jest.fn(() => 'Android'),
-  }
-})
-
 describe('PhoneNumberInput', () => {
   describe('when defaultCountry is falsy', () => {
     it('renders an AutoComplete and a country can be selected', () => {
@@ -54,6 +49,9 @@ describe('when defaultCountry is truthy', () => {
 
   describe('Native phone picker (Android)', () => {
     it('can read phone', async () => {
+      // mock
+      Platform.OS = 'android'
+
       const wrapper = shallow<PhoneNumberInput>(
         <PhoneNumberInput
           setE164Number={jest.fn()}
diff --git a/packages/react-components/components/PhoneNumberInput.tsx b/packages/react-components/components/PhoneNumberInput.tsx
index 1aa0d69c41e..83d46965e93 100644
--- a/packages/react-components/components/PhoneNumberInput.tsx
+++ b/packages/react-components/components/PhoneNumberInput.tsx
@@ -10,7 +10,6 @@ import { getRegionCodeFromCountryCode, parsePhoneNumber } from '@celo/utils/src/
 import * as React from 'react'
 import { Platform, StyleSheet, Text, TouchableOpacity, View } from 'react-native'
 import Autocomplete from 'react-native-autocomplete-input'
-import DeviceInfo from 'react-native-device-info'
 
 const TAG = 'PhoneNumberInput'
 
@@ -97,8 +96,7 @@ export default class PhoneNumberInput extends React.Component<Props, State> {
 
   async triggerPhoneNumberRequest() {
     try {
-      const baseOS = await DeviceInfo.getBaseOs()
-      if (baseOS === 'Android') {
+      if (Platform.OS === 'android') {
         await this.triggerPhoneNumberRequestAndroid()
       } else {
         console.info(`${TAG}/triggerPhoneNumberRequest`, 'Not implemented in this platform')